Begin 'shared' project to share code between cli and gui

gui/gui.pro

@@ -22,7 +22,6 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-
 SOURCES += \
         main.cpp \
         mainwindow.cpp \
@@ -47,3 +46,15 @@ INCLUDEPATH += /usr/include/poppler/qt5/
 LIBS += -lpoppler-qt5
 QT += widgets sql
 
+win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../shared/release/ -lshared
+else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../shared/debug/ -lshared
+else:unix: LIBS += -L$$OUT_PWD/../shared/ -lshared
+
+INCLUDEPATH += $$PWD/../shared
+DEPENDPATH += $$PWD/../shared
+
+win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../shared/release/libshared.a
+else:win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../shared/debug/libshared.a
+else:win32:!win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../shared/release/shared.lib
+else:win32:!win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../shared/debug/shared.lib
+else:unix: PRE_TARGETDEPS += $$OUT_PWD/../shared/libshared.a